Update app.py

app.py

@@ -19,7 +19,15 @@ def get_sdxl(prompt_in):
 def infer(portrait_in, prompt_in):
     # Generate Image from SDXL
     gr.Info("Generating SDXL image first ...")
-    sdxl_result = get_sdxl(prompt_in)
+    
+    try:
+        sdxl_result = get_sdxl(prompt_in)
+    except ValueError as e:
+        # Handles the ValueError
+        error_message = str(e)
+        print(f"An error occurred: {error_message}")
+        raise gr.Error(f"{error_message}")
+
     
     unique_id = str(uuid.uuid4())